Classic Italian Lasagna

Ingredients

• 2 tablespoons olive oil
• 1 tablespoon butter
• 4 cloves garlic fresh, finely minced, see garlic tutorial here
• 1/2 onion large, diced, about 1/2 cup
• 8 ounces mushrooms chopped
• 16 ounces tomato sauce
• 6 ounces tomato paste
• 14 1/2 ounces diced tomatoes undrained
• 2 teaspoons italian seasoning or a mix of dried oregano and basil
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 3 cups milk not skim, I used 1%
• 5 tablespoons flour
• 4 tablespoons butter
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 9 lasagna noodles boiled for half the time on the box, or use 12 of the no-boil noodles, of which I far prefer the Barilla brand
• 1 pound ground turkey
• 1 pound mozzarella cheese shredded
• 8 ounces Parmesan cheese shredded